Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1993-03-23
1996-07-16
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428 352, 428 354, 428284, 428296, 428298, 428339, 428369, 428458, 4284755, 428480, 2642106, 264291, 156160, 1562753, B32B 900
Patent
active
055365612
ABSTRACT:
A multi-layered web is produced by providing a first layer comprised of a strip of biaxially oriented polymeric film characterized by an inherent tendency to bend within its own plane. The strip is tensioned so as to overcome the bending tendency and assume a straight orientation. While the strips is held straight, a second layer of material is adhered to the strip. The second layer counteracts the bending tendency of the first layer so that when the tensioning forces are released, the web is straight. The first and second layers may comprise first and second strips of plastic film, respectively, which are arranged such that the bending tendencies of the strips are oriented opposite one another. The strips are adhered together by an adhesive material, or by being directly fused together. Alternatively, the second layer may comprise a coating applied to the plastic strip. The coating can be applied to one or both sides of the strip.
REFERENCES:
patent: 4652409 (1987-03-01), Leese et al.
patent: 4963209 (1990-10-01), Chernega et al.
patent: 5225139 (1993-07-01), Wajsbrot et al.
Olesiuk Daniel D.
Turi Eran (Ron)
Bahta Abraham
Rexham Graphics Inc.
Ryan Patrick J.
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